Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

5
1
6
8
3
4
9
7
2
3
7
8
1
2
9
5
4
6
       
    
      9
2
       
    
      9
6
7
5
8
3
1
       
      6
    
4
9
1
8
3
       
      6
    
2
5
2
5
1
9
6
7
4
8
3
3
8
       
      6
    
5
4
2
1
9
       
      6
    
3
9
8
2
5
7
4
6
1
       
      6
    
1
5
8
3
4
       
      6
    
9
2
2
6
       
    
      9
9
1
9
7
5
8

 

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